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Income Taxes (Details 1) (USD $)
3 Months Ended 12 Months Ended
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Income Tax Expenses [Line Items]                      
Expected tax at statutory rates                 $ 926,027 $ 673,085 $ 414,206
Increase (decrease) resulting from tax effect of:                      
State income taxes, net of federal tax benefit                 116,843 84,928 52,263
New market tax credits                 0 (180,000) (277,500)
Other                 (70) (413) (769)
Income tax expense $ 249,700 $ 268,200 $ 256,000 $ 268,900 $ 156,100 $ 154,300 $ 118,200 $ 149,000 $ 1,042,800 $ 577,600 $ 188,200